Question

how to find LCM of 144,12,43

Answer 1

First write all the numbers as the product of its prime factors.

$144 = 2^{4} * 3^{2}$

$12 = 2^{2} * 3$

43 = 43

Then multiply all the prime factors . For this you have select the prime factor with maximum value for power. In this case

LCM = $2^{4} * 3^{2} * 43$

LCM = 6192